Submitted by carpetguy on Sat, 11/11/2017 - 20:25
https://maths.org/step/sites/maths.org.step/files/s2s3/Trig_topic_notes.pdf
In the commentary bit at the end of the symmetry section on the first page it says sin(-a) = sin(a) etc. I assume it means sin(-a) = -sin(a).
I don't see where the edit
I don't see where the edit function is, so I'll add here.
(STEP II modules)
Mistake
Thanks - I'll sort it on Monday! Don't think you can edit posts (I know I can as "staff")
Sorted
I have changed the notes. Thanks for letting us know!
Notes link
The revised notes are at:
https://maths.org/step/sites/maths.org.step/files/s2s3/Trig_topic_notes_...